167816405473 has 2 divisors, whose sum is σ = 167816405474. Its totient is φ = 167816405472.

The previous prime is 167816405431. The next prime is 167816405479. The reversal of 167816405473 is 374504618761.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151357568209 + 16458837264 = 389047^2 + 128292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-167816405473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 167816405473.

It is not a weakly prime, because it can be changed into another prime (167816405479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83908202736 + 83908202737.

It is an arithmetic number, because the mean of its divisors is an integer number (83908202737).

Almost surely, 2^167816405473 is an apocalyptic number.

It is an amenable number.

167816405473 is a deficient number, since it is larger than the sum of its proper divisors (1).

167816405473 is an equidigital number, since it uses as much as digits as its factorization.

167816405473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 167816405473 in words is "one hundred sixty-seven billion, eight hundred sixteen million, four hundred five thousand, four hundred seventy-three".